10.0.19

Reflowable books now render in a WebView with foliate-js, and PDFs with PDFium.
Icons are shown in the SAF folder browser.
SAF folders can be added to the library.
Underline and highlight in EPUB.
Open a book in LibreraX, our new modern reader for Android and iOS.
JS build - without MuPDF (HTML5+PDFium)
UI Fixes